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* fix https://github.com/timotheecour/Nim/issues/133; $(a: float) works in nim js like in other backends * fix tests * fix test for windows that prints 1.1e17 differently than other OS
63 lines
1.2 KiB
Nim
63 lines
1.2 KiB
Nim
#[
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merge into tests/system/tdollars.nim once https://github.com/nim-lang/Nim/pull/14122
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is merged
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]#
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import unittest
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block: # https://github.com/timotheecour/Nim/issues/133
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# simple test
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var a: float = 2
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check $a == "2.0"
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# systematic tests
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template fun(a2: static float) =
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const a: float = a2 # needed pending https://github.com/timotheecour/Nim/issues/132
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var b = a
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check $b == $a
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fun 2
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fun 2.0
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fun 2.1
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fun 1_000
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fun 1_000.1
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fun 1_000_000_000.1
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fun 1_000_000_000_000.1
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# negatives
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fun -2.0
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fun -2.1
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# 0
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fun 0
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fun -0
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fun 0.0
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block:
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var a = -0.0
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check $a in ["-0.0", "0.0"]
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# exponents
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block:
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var a = 5e20
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check $a in ["5e20", "500000000000000000000.0"]
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fun 3.4e1'f32
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fun 3.4e-1'f32
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fun -3.4e-1'f32
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fun 3.4e-1'f32
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fun 3e-1'f32
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block:
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var a = 3.4e38'f32
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check $a in ["3.4e+38", "3.4e+038"]
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# on windows, printf (used in VM) prints as 3.4e+038
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# but js prints as 3.4e+38
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# on osx, both print as 3.4e+38
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# see https://github.com/timotheecour/Nim/issues/138
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when false: # edge cases
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fun -0.0 # see https://github.com/timotheecour/Nim/issues/136
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fun 5e20
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fun 3.4e38'f32
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